Chesnay Schepler created FLINK-13996:
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Summary: Maven instructions for 3.3+ do not cover all shading
special cases
Key: FLINK-13996
URL: https://issues.apache.org/jira/browse/FLINK-13996
Project: Flink
Issue Type: Improvement
Components: Build System, Documentation
Affects Versions: 1.8.0
Reporter: Chesnay Schepler
When building Flink on Maven 3.3+ extra care must be taken to ensure that the
shading works as expected. Since 3.3 the dependency graph is immutable, as a
result of which downstream modules (like flink-dist) see the unaltered set of
dependencies of bundled modules; regardless of these were bundled or not. As a
result dependencies may be bundled multiple times (original and relocated
versions).
The [instructions for building Flink with Maven
3.3+|https://ci.apache.org/projects/flink/flink-docs-master/flinkDev/building.html#dependency-shading]
correctly point out that flink-dist must be built separately, however (at the
very least) all filesystems relying on {{flink-fs-hadoop-shaded}} are also
affected.
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